<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="https://search.jd.com/search">
        <!-- maxlength:最长输入
            placeholder:提示用户
        -->
        用户:<input type="text" name="user" value="默认值" maxlength="11" placeholder="1"><br>
        密码:<input type="password" name="pass" id=""><br>
        性别:<input type="radio" name="sex" value="n" checked>男
        <!-- checked:重置 -->
            <input type="radio" name="sex" value="m">女
            <br>
        爱好:<input type="checkbox" name="hobby" value="smoke">抽烟
            <input type="checkbox" name="hobby" value="drink">喝酒
            <input type="checkbox" name="hobby" value="perm">抽烟
        <br>
        <!-- 隐藏域 -->
        <input type="hidden" name="abc">
        <br>
        其他：<textarea name="other" id="" cols="30" rows="10"></textarea>
        <br>
        籍贯:  
        <section name="place">
            <option value="sx" selected>陕西</option>
            <option value="hn">河南</option>
            <option value="sx2">山西</option>
            <option value="bj">北京</option>
        </section>
        <br>    
        <button>提交1</button>
        <input type="submit" value="确认">
        <input type="reset" value="重置">
        <button type="button">检测账户是否被检测</button>
    </form> 
</body>
</html>